
.box{
    width: 100vw;
}
.father {
    width: 100%;
    text-align: center;
    background-color: pink;
}
.father2{
    /* width: 1600px; */
    text-align: center;
    background-color: yellowgreen;
}
.father3 {
    visibility: hidden;
    width: 0px;
    height: 0px;
    /* width: 100%;
    height: 200px; */
    background-color: antiquewhite;
}
.father4 {
    height: 100px;
    background-color: black;
}
.inline-block{
    display: inline-block;
}
.left,.right {
    width: 50%;
    height: 50px;
}
.left {
  text-align: left;
  background-color:aqua ;
}
.right {
    text-align: right;
  }
.span-left{
    width: 200px;
    background-color: red;
}